112 lines
3.0 KiB
Java
112 lines
3.0 KiB
Java
package dev.kske.minesweeper;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.util.Random;
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/**
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* Project: <strong>Minesweeper</strong><br>
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* File: <strong>Board.java</strong><br>
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* Created: <strong>22.03.2019</strong><br>
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* Author: <strong>Kai S. K. Engelbart</strong>
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*/
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public class Board {
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private int tileSize, width, height;
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private Rectangle screen;
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private BufferedImage[] icons;
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private GameState gameState;
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private int mines, activeTiles, flaggedTiles;
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private Tile[][] board;
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public Board(int x, int y, int width, int height, int tileSize, int mines) {
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this.tileSize = tileSize;
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this.width = width;
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this.height = height;
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screen = new Rectangle(x, y, x + width * tileSize, y + height * tileSize);
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// TODO: Init icons
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gameState = GameState.ACTIVE;
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this.mines = mines;
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activeTiles = width * height;
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flaggedTiles = 0;
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board = new Tile[width][height];
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for (int i = 0; i < width; i++)
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for (int j = 0; j < height; j++)
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board[i][j] = new Tile();
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}
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public Point getTilePos(int x, int y) {
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return new Point((x - screen.x) / tileSize, (y - screen.y) / tileSize);
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}
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public void initMines() {
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int remaining = mines;
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Random random = new Random();
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while (remaining > 0) {
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// Randomly select a tile
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int n = random.nextInt(width);
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int m = random.nextInt(height);
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// Check if the selected tile already is a mine
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if (!board[n][m].isMine()) {
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// Decrement the counter
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remaining--;
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// Place the mine
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board[n][m].setMine(true);
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// Adjust surrounding mine counters
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for (int i = Math.max(0, n - 1); i < Math.min(n + 1, board.length); i++)
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for (int j = Math.max(0, m - 1); j < Math.min(m + 1, board[i].length); j++)
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if (i != n || j != m) board[i][j].setSurroundingMines(board[i][j].getSurroundingMines() + 1);
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}
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}
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}
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public void touchTile(int n, int m) {
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Tile tile = board[n][m];
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if (!tile.isTouched()) {
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tile.setTouched(true);
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activeTiles--;
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tile.setDrawSurroundingMines(true);
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// Adjust the number of flagged tiles if the tile was flagged
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if (tile.isFlagged()) {
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tile.setFlagged(false);
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flaggedTiles--;
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}
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// Test if the game is won or lost
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if (tile.isMine()) gameState = GameState.LOST;
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else if (mines == activeTiles) gameState = GameState.WON;
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// Touch surrounding tiles when there are zero surrounding mines
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else if (tile.getSurroundingMines() == 0)
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for (int i = Math.max(0, n - 1); i < Math.min(n + 1, board.length); i++)
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for (int j = Math.max(0, m - 1); j < Math.min(m + 1, board[i].length); j++)
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touchTile(i, j);
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// Redraw the touched tile
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// TODO: Draw tile
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}
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}
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public void flagTile(Point tilePos) {
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Tile tile = board[tilePos.x][tilePos.y];
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if (!tile.isTouched()) {
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if (tile.isFlagged()) {
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tile.setFlagged(false);
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flaggedTiles--;
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} else {
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tile.setFlagged(true);
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flaggedTiles++;
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}
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// TODO: Draw tile
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}
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}
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}
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